Level-stock



W. .l. NEIDL.

LEVEL STOCK.

APPLICATION FILED DEC.24, 1919,

1,362,814. Patented Dec. 21, 1920.

INVENTOR WITNESSES rowwz.

ATTO R N EY vurn-T121) STATES WILLIAM J. NEIDL, OF NEW BRITAIN,CONNECTICUT.

LEVEL-swoon I Specification of Letters Patent.

Patented Dec. 21, 1920.

Original application filed April 12, 1919, Serial No. 289,538. Dividedand this application filed December- 24, 1919. Serial No. 347,055.

To all whom it may concern.

Be it known that I, WILLIAM J. NEIDL, a dean of the United States,residing at New Britain, in-- the county of Hartford and State ofConnecticut, have invented a new and useful Level-Stock, of which thefollowing is a specification.

This invention'relates to alevel stock or beam, designed to be used forspirit levels and plumbs, and is adivision of an application filed April12, 1919, Serial Number 289,538. I

The primary object of the invention is 'to construct the beam or stockby making it of cold rolled steel instead of wood or cast iron, therebyproviding a practically unbreakable structure and lightening the weightthereof.

The invention consists in certain novel features of construction andcombination of parts hereinafter set forth in the description andparticularly pointed out in the claims, it being understood that whilethe drawing shows the preferred embodiment 'of' the invention, thatchanges in the form, size, proportion and minor details of constructionmay be made without departing from the spirit or scope of the inventionas defined in the appended claims.

In thedrawings:-

Figure 1 is a perspective view of a spiritlevel or plumb, embodying thenovel construction of beam or stock;

Fig. 2 is a vertical transverse section; and Fig. 3 is a detail viewshowing how the flanges of the I-beam or stock are formed.

Like reference characters designate corresponding parts in the severalfigures of the drawing.

The spirit level and plumb comprises generally abody A, a centrallydisposed level glass B, and two plumbglasses C, D, at the ends of thebody. As the present application is concerned solely with theconstruction of the body or beam, and the aforesaid application containsclaims for the other features of the level and plumb, it is deemedunnecessary to refer in detail to the construction of the level glassand plumb glasses. Reference is hereby made to the aforesaid applicationfor a full description of the said features.

Th2 body of the level, which is often designated as the stock or beam,is made I- shaped in cross section, and will be referred to hereinafteras the I-beam. It is made of cold, rolled steel throughout. I haveselected this material because of its lightness and tensile strength, inthis respect being superior to wood because of its durability, andsuperior to cast iron owing to its less weight and freedom frombreakage.

The stock or beam comprises a web 1, of sultable length and width toaccord with the size of the tool being constructed. Appropriately sizedopenings are cut in the web to provide for the central level glass B,and the end plumb glasses C, D. Applied to each side face of the web atthe longitudinal edges thereof, are two pairs of reinforcing plates 2,2, which are co-extensive in length with the web and of right angularshape in cross section. These angular plates when combined with acovering plate 4, constitute the top and bottom flangesof the stock orbeam. The reinforcing plates are placed with their vertical flanges flatagainst the opposite faces of the webs, and are then spot-welded to theweb, as indicated at 5,

thereby uniting the angularplates 2, to the web. The horizontal flangesextend outwardly from the web, and have their outer faces substantiallyflush with the longitudinal edges of the web.

The covering plates 4, which are coextensive in length with the web andangular plates, and which form the outer facing plates for the flangededges of thebody, each. extend from the vertical flange of onereinforcing plate along the inner side of the horizontal flange thereof,then around the outer edge of said horizontal flange; then over theouter face of said ,horizontal flange, across the outer longitudinaledge of the web to and across the angular plate on the other side,the'edge of which it embraces in a manner similar to the first-mentionedmeagre When the covering plates are applied in position, they combinewith the two angular plates and the web to form the flanges of theI-beam, which are as rigid and serviceable as though they were made outof cast iron, but having none of the objections of cast iron, since thestructure of the flanges made in accordance with my invention may beconsidered practically unbreakable. So

perfect is-the union between the several ele-' plates with each platearranged alongside one of the longitudinal edges of said web,

the verticalflanges of each plate bearing flat against the web andwelded thereto and the horizontal flanges extending outwardly and flushwith the edges of the web, and covering plates each extending acrosssaid horizontal flanges and the outer edge of the web and having itslongitudinal edges bent inwardly around the outer edges of saidhorizontal flanges and along the inner faces thereof and extending toand abutting the inner vertical flanges of said angular plates.

2. In a level, a stock or I-beam composed of a web of cold rolled steel,angular plates of similar material arranged in pairs alongside each edgeand on opposite faces of the web, with the inner flange of each plateplaced flat against 'the web, means uniting the web to said innerflanges of said plates, and a covering plate also of cold rolled steelembracing the outer flanges of said plates and bent inwardly to theinner flanges thereof.

3. In a level, a stock or I-beam consisting of a sheet metal web,angular plates applied in pairs to the faces of the web alongside thelongitudinal edges thereof, a covering plate for each pair of saidangular plates, said covering plates forming the facing plates for theflanges of the I-beam, and means for securing the angular plates to theweb.

In testimony, that I claim the foregoing as my own, I have heretoaflixed my signature in the presence of two witnesses;

WILLIAM J. NEIDL.

Witnesses:

JULIUS F. PRESGHES, FLOSSIE K. CHRIsTEsEN.

